<div style="float: left; width: 60%">
    <div class="test-header">
        Enter a number to analyse:
        <input type="text" oninput="onNewNumber(this.value)" />
    </div>
    <div style="height: 400px; padding: 10px; box-sizing: border-box" id="myGridLeft"></div>
</div>
<div style="float: left; width: 40%">
    <div class="test-header">Edit data on RHS, table updates on LHS</div>
    <div style="height: 400px; padding: 10px; box-sizing: border-box" id="myGridRight"></div>
</div>
